Domains with DNS TXT v=spf1 +a +mx include:_spf.fastmail.gr +ip6:2a01:4f8:10a:6df::2 -all

There are 637 domains that have DNS TXT set to v=spf1 +a +mx include:_spf.fastmail.gr +ip6:2a01:4f8:10a:6df::2 -all. The top 50 records ordered by domain rank are listed below.